Signal Characteristics and Simulated Experiment Research on Vibration Abnormal Acoustics in GIS Equipment

This paper conducts spectral analysis on the noise signals of a large number of GIS power stations, and obtains the spectral characteristics of the noise signals. Through field data and simulated experiments under no current and voltage load, the relationship between load voltage and vibration acceleration is obtained. The experimental results show that the noise is related to high-frequency signals. This paper analyzes the relationship between the uniformity of electric field and vibration acceleration by using a quantitative evaluation method based on power percentage analysis, and analyzes the causes of the noise, which is helpful to understand and solve the abnormal noise problem of GIS power stations.